Israeli Water Technology Can Keep Lakes Clean and Algae-Free

BGi continuously tracks environmental signals across multiple water bodies at once.

By Shula Rosen

BlueGreen Water Technologies is betting that smarter data, not faster cleanup, is the key to keeping lakes and reservoirs safe as harmful algal blooms become more frequent worldwide.

The Israeli water-tech company has launched BlueGreen Insights, or BGi, an AI-driven monitoring platform designed to spot the earliest warning signs of toxic algae before outbreaks turn into public health emergencies.

By combining satellite imagery with on-the-ground sensor data, the system delivers near real-time assessments that allow water managers to intervene earlier and more precisely than with traditional testing methods.

Instead of relying on periodic manual sampling — a process that can miss rapid changes in water conditions — BGi continuously tracks environmental signals across multiple water bodies at once.

The platform is built on more than five years of historical data, including weather patterns and ecological indicators, which its machine-learning models use to anticipate when and where blooms are likely to form.

“Our mission is to make water quality monitoring more predictive, actionable and ultimately, accessible,” Yair Regev, CTO of BlueGreen Water Technologies told Our Crowd. “BGi’s real-time capabilities are now providing precision insights that allow our team to apply targeted treatments to HABs in the field. Ultimately, this technology will empower municipalities and water authorities with data insights to shift from reactive crisis management to proactive water stewardship, for cleaner, safer water worldwide.”

That shift is central to BlueGreen’s strategy. Rather than responding after toxins spread, the company aims to guide its Lake Guard treatment only where and when it is needed, reducing costs and minimizing disruption to ecosystems. The platform also provides streamlined reporting tools to help water utilities and regulators maintain compliance and communicate risks more clearly to the public.

As warming temperatures and nutrient pollution place growing stress on freshwater systems, early detection has become increasingly critical. BlueGreen says BGi offers regional and global visibility, allowing operators to oversee entire networks of lakes instead of managing each site in isolation.

“As climate change and pollution intensify, water bodies are increasingly vulnerable to harmful algal blooms,” said Eyal Harel, CEO and co-founder of BlueGreen Water Technologies. “BGi gives us the ability to act at the first sign of a toxic outbreak, with the goal of the platform becoming predictive of bloom events to enable preventative action. It’s a powerful tool for proactive water management that protects public health, preserves ecosystems, and ensures safer, more resilient water systems.”

The company said BGi is already guiding active remediation projects, positioning the platform as a cornerstone of its global expansion as water authorities look for scalable, data-driven solutions to a growing environmental challenge.